From 2c55974da59db63db5835ea7f4b2ed1f64afc954 Mon Sep 17 00:00:00 2001
From: Alexey Samsonov <vonosmas@gmail.com>
Date: Tue, 23 Dec 2014 04:15:53 +0000
Subject: [PATCH] Fix UBSan bootstrap: replace shift of negative value with
 multiplication.

llvm-svn: 224752
---
 llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
index e5355ef43336..1b955f59dcf7 100644
--- a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
+++ b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
@@ -1614,7 +1614,7 @@ static DecodeStatus DecodeSimm9SP(MCInst &Inst, unsigned Insn,
   case 511: DecodedValue = -257; break;
   default: DecodedValue = SignExtend32<9>(Insn); break;
   }
-  Inst.addOperand(MCOperand::CreateImm(DecodedValue << 2));
+  Inst.addOperand(MCOperand::CreateImm(DecodedValue * 4));
   return MCDisassembler::Success;
 }